body,div{
    margin: 0;
    padding: 0;
}
a{
    text-decoration: none;
    color: #000000;
}
.header1{
    background: rgb(195,205,204);
    height: 100px;
    line-height: 100px;
    font-size: 30px !important;
    margin: 0;
    padding: 0;
    text-align: center;
}
.container{
    width: 80%;
    margin: 0 auto;
}
.top-section{
    margin: 20px 0;
    display: flex;
    justify-content: space-between;
}
.top-section .left{
    width: 250px;
    height: 230px;
    background: rgb(120,193,124);
    color: #ffffff;
    text-align: center;
}
.top-section .left1{
    background: rgb(208,40,49);
}
.top-section .left2{
    background: rgb(220, 49, 19);
}
.top-section .left3{
    background: rgb(44, 160, 205);
}
.big-text{
    font-size: 100px;
    padding-top: 20px;
}
.big-text1{
    font-size: 20px;
}
.middle, .right{
    margin-left: 20px;
    width: 250px;
    font-size: 18px;
}
.middle-top{
    background: rgb(164,228,167);
    height: 110px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.middle-top1 {
    background: rgb(189, 49, 57);
    color: #ffffff;
}
.middle-top2 {
    background: rgb(205, 75, 53);
    color: #ffffff;
}
.middle-top3 {
    background: rgb(63, 145, 177);
    color: #ffffff;
}
.middle-bottom{
    margin-top: 10px;
}
.right{
    margin-left: 20px;
}

/*分页面*/
.header{
    text-align: center;
    font-size: 24px;
    margin: 36px 0;
}
.content{
    margin-bottom: 40px;
}
.indent{
    text-indent: 2em;
    font-size: 14px;
    line-height: 180%;
    margin-bottom: 20px;
}
.img{
    width: 690px;
    height: 410px;
    margin: 0 auto 20px;
}
img{
    width: 670px;
    height: 400px;
}